@misc{indiciaefab066e62068,
  title = {Migraine and multiple sclerosis.},
  author = {S M Watkins and M Espir},
  year = {1969},
  doi = {10.1136/jnnp.32.1.35},
  url = {https://pubmed.ncbi.nlm.nih.gov/5774132/},
  note = {Source identifier: 5774132}
}